Apparatus for sealing thermoplastic-coated packaging material
US5649407A · kind A · utility
23Cited by
11References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 8, 1994 |
| Grant date | Jul 22, 1997 |
| Priority date | — |
| Expiry date | Sep 8, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2009/003
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for sealing a thermoplastic-coated packaging material, the material having at least one layer of a metal foil, includes an inductor having at least three substantially parallel, spaced apart conductors. A method for forming sealed, filled packages and a method for sealing packaging material are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.